/*
 *  Copyright 2011 Iurii Dunko, Iana Potochniak.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.opu.yyminijava.visitor;

import org.opu.yyminijava.syntaxtree.Rule;

/**
 *
 * @author Iurii Dunko
 * @author Iana  Potochniak
 */
public interface VisitorHandler {

    /**
     * When visitor visit each rule he call this method for this rule.
     * @param rule the rule that are visiting
     * @param isAbstractRule true - if implementation of current rule is
     * interface or abstract class and false in the other case
     */
    public void onVisitStart(Rule rule, boolean isAbstractRule);

    /**
     * When visitor go out from visiting each rule he call this method for
     * this rule.
     * @param rule the rule that are visiting
     * @param isAbstractRule true - if implementation of current rule is
     * interface or abstract class and false in the other case
     */
    public void onVisitEnd(Rule rule, boolean isAbstractRule);
}
